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Why focus on discourse? Researchers spend a lot of time talking and arguing, in meetings and documents New opportunities for eScience collaborative technologies - conversations in meetings - arguments in the literature Discourse has rhetorical structure Semantic hypertext tools enable us to construct and map this visually

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2 EPSRC projects at the OU are developing tools Compendium …real-time mapping of discussions and domain modelling in meetings ClaiMaker …modelling research literatures as a networks of claims and counter-claims

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Example 2: ClaiMaker Will prose always be the dominant format to disseminate, critique and debate research? Research literatures are huge networks of claims and debates: ClaiMaker renders this visible and analysable as a semantic web Use to review, model and analyse complex networks of ideas –Who disagrees with this paper? –What evidence is there for this prediction? –What impact did this paper have? –What is the intellectual history of this idea?

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A menu-driven web interface to annotate publications with new concepts, and make connections between concepts using a set of link-types derived from discourse and argumentation theory, and commonly used in research. Adding to the Network